Doctor profile · Federal record
Dr. William Mostertz, MD
Advanced Heart Failure and Transplant Cardiology Physician (CMS: Advanced Heart Failure and Transplant Cardiology) · Student in an Organized Health Care Education/Training Program · Chapel Hill, NC
- NPI 1679928022
- Accepts Medicare
- 10 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
160 Dental Cir
Chapel Hill, NC 275990001
(919) 966-5205 - Additional location
-
30 Courtenay Drive
Charleston, SC 294250001
(843) 876-4794 - Mailing address
-
30 Courtenay Drive
Charleston, SC 294250001
Credentials & registration
- NPI registered
- May 2016 — 10 yrs on file
- Profile last updated
- August 31, 2023
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207RA0001X — NUCC code
- State license (1)
- North Carolina #2022-01919
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1679928022. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
241
Distinct HCPCS
5
Medicare allowed
$29,493
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 81 | 15 | $203 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 62 | 14 | $114 | |
93750 |
Evaluation of lower heart chamber assist device | 59 | 17 | $38 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 25 | 19 | $98 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 14 | 11 | $93 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 49. This provider delivers 4.9× the peer median.Open Payments
Industry payments received
All-time total
$474
Transactions
10
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| CVRx, Inc. | 6 | $210.61 | |
| Abbott Laboratories | 2 | $141.16 | |
| ABIOMED | 1 | $103.37 | |
| Alnylam Pharmaceuticals Inc. | 1 | $18.92 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
335
Patients
105
Total drug cost
$125,459
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Spironolactone | Generic | 82 | 32 | $897 |
| Jardiance (Empagliflozin) | Brand | 59 | 18 | $63,742 |
| Entresto (Sacubitril/Valsartan) | Brand | 55 | 16 | $57,103 |
| Torsemide | Generic | 36 | 15 | $1,955 |
| Metoprolol Succinate | Generic | 30 | 13 | $290 |
| Furosemide | Generic | 24 | 0 | $141 |
| Warfarin Sodium | Generic | 19 | 11 | $539 |
| Losartan Potassium | Generic | 17 | 0 | $297 |
| Amiodarone Hcl | Generic | 13 | 0 | $495 |
Hospital affiliations
Frequently asked questions
What is Dr. William Mostertz's medical specialty?
Dr. William Mostertz practices Advanced Heart Failure and Transplant Cardiology Physician in Chapel Hill, NC.
Where does Dr. William Mostertz practice?
Dr. William Mostertz practices at 160 Dental Cir, Chapel Hill, NC 275990001. Office phone: 9199665205.
What is Dr. William Mostertz's NPI?
Dr. William Mostertz's National Provider Identifier (NPI) is 1679928022, issued by NPPES.
Does Dr. William Mostertz accept Medicare assignment?
Yes. Dr. William Mostertz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Mostertz commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Evaluation of lower heart chamber assist device (HCPCS 93750). Source: CMS Medicare Physician & Other Practitioners file.